When Mario and Peach thought that all was well and they could finally enjoy themselves, Bowser raided the castle once again, and took Peach with him to his castle! Mario, being unconscious, was waken up by an injured Toad and was told that Bowser took Peach once again! Mario then sets off, hoping to save Peach and foil Bowser's plans once again. But this time, things would be different. Bowser has finally left the koopalings out of his plan, and replaced them with stronger bosses in an attempt to defeat Mario! The fate of Peach lies in your hands...